Viaene, V. (2008). "'King Leopold's Imperialism and the Origins of the Belgian Colonial Party, 1860–1905'". The Journal of Modern History. 80 (4): 741–790. doi:10.1086/591110. S2CID144513498.
"Chronique du jour". Gazette de Charleroi. Charleroi. 1902-09-11. Retrieved 2021-02-27.
semanticscholar.org
api.semanticscholar.org
Viaene, V. (2008). "'King Leopold's Imperialism and the Origins of the Belgian Colonial Party, 1860–1905'". The Journal of Modern History. 80 (4): 741–790. doi:10.1086/591110. S2CID144513498.